Keystones — Cornerstone
Five GCSE retrieval questions · 20 October 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 100, 244, and 102
Answer: 446 -
2. Algebra
For y = x³ + 11, calculate y when x = 4
Answer: y = 75 -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics
Calculate the mean of: 39, 48, 27, 15, 12, 15
Answer: 26